E8 300MM Package Set Stainless Automatic Gate Opener for Gates up to about 10 Feet Long and 450 Pounds for Single Gate 300MM Stroke Stainless Steel Automatic Gate Opener with wired Keypad and IR Beam Package for Single Gate Single Gate Opener opens 1 leaf up about 10 feet/450 lbs total Screw Driven Type System for reliabilty and manual release keys AC/DC with Battery Backup for Power Outages and Solar Compatible Brand New with 1 Year Manufacturer Warranty